Semiconductor lasers are capable of emitting over the full visible color spectrum, which is necessary to produce a white laser, researchers have demonstrated. The technological advance puts lasers one ...

Question: So I want to print in color, and with the cost of color lasers coming down, I am wondering: laser versus inkjet? When does laser make sense? It’s true that the cost of color laser printers ...

UPTON, NY—Lasers are intense beams of colored light. Depending on their color and other properties, they can scan your groceries, cut through metal, eradicate tumors, and even trigger nuclear fusion.

Incandescent bulbs, LEDs, and CFLs may soon have to budge up because a new lighting technology is in town – white lasers. Using nanotechnology to create a bespoke semiconducting material, a team of ...